James McAvoy won't have scenes with Sir Patrick Stewart in 'X-Men: Days of Future Past'.

The actor - who plays a younger version of telekinetic Professor X in the franchise - isn't sure he will get to act opposite the veteran actor, who originated the role in the initial 'X-Men' trilogy.

He said: ''It'll be cool, but I don't think we get any scenes together, sadly. I don't think there's any future-self talking to past-self.''

As well as bringing back the cast of 'X-Men: First Class', which serves as a prequel to the original trilogy, the latest film will also see the returns of Patrick, Sir Ian McKellen as Magneto and Hugh Jackman as Wolverine.

The actor admits that starring in the blockbuster superhero series makes him feel more secure in being able to talk smaller roles.

He told Empire magazine: ''Having an 'X-Men' [film] in your back pocket, which hopefully will go for three movies, it makes you go, 'Right, it doesn't matter if I make 14 films that nobody sees because in two years' time I'll make another 'X-Men.'

''Meanwhile, Fox are thinking, 'Why isn't this f**ker out there building his profile so he can make us more money on the second 'X-Men?' ''